ACAVITY S17 Headset Pro Ultimate is a premium true wireless earbud featuring a sleek black design with silver accents and a magnetic charging case. Equipped with a new Bluetooth 5.4 chip for stable connectivity, it delivers 36-hour total battery life (8h per charge + 28h case), -50dB deep ANC, and ultra-wide 4000Hz noise cancellation. The 6-mic AI call noise reduction ensures crystal-clear voice transmission, while the 360° Galaxy spatial audio and HIFI-grade sound quality provide immersive listening. Its ergonomic in-ear fit with station-style magnetic lid design enables instant pairing upon opening. Built with acoustic cavity structure, ACS sound mixing tech, and triple-frequency noise cancellation (AC 3.0), it excels in daily commuting, office work, gaming, and travel. The compact, lightweight form factor (approx. 4.8g per bud) ensures all-day comfort, and the IPX5 sweat resistance makes it suitable for light workouts. Ideal for audiophiles and professionals seeking high-fidelity sound, intelligent call clarity, and seamless usability in a minimalist black finish.